Annotation of mandoc/mdoc_macro.c, Revision 1.227
1.227 ! schwarze 1: /* $Id: mdoc_macro.c,v 1.226 2018/12/04 02:53:51 schwarze Exp $ */
1.1 kristaps 2: /*
1.116 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.225 schwarze 4: * Copyright (c) 2010, 2012-2018 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.8 kristaps 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.184 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.8 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.184 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.8 kristaps 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
1.40 kristaps 18: #include "config.h"
1.140 schwarze 19:
20: #include <sys/types.h>
1.40 kristaps 21:
1.1 kristaps 22: #include <assert.h>
23: #include <ctype.h>
24: #include <stdlib.h>
25: #include <stdio.h>
26: #include <string.h>
1.38 kristaps 27: #include <time.h>
1.1 kristaps 28:
1.184 schwarze 29: #include "mandoc.h"
30: #include "roff.h"
1.106 kristaps 31: #include "mdoc.h"
1.184 schwarze 32: #include "libmandoc.h"
1.190 schwarze 33: #include "roff_int.h"
1.1 kristaps 34: #include "libmdoc.h"
35:
1.151 schwarze 36: static void blk_full(MACRO_PROT_ARGS);
37: static void blk_exp_close(MACRO_PROT_ARGS);
38: static void blk_part_exp(MACRO_PROT_ARGS);
39: static void blk_part_imp(MACRO_PROT_ARGS);
40: static void ctx_synopsis(MACRO_PROT_ARGS);
41: static void in_line_eoln(MACRO_PROT_ARGS);
42: static void in_line_argn(MACRO_PROT_ARGS);
43: static void in_line(MACRO_PROT_ARGS);
44: static void phrase_ta(MACRO_PROT_ARGS);
1.53 kristaps 45:
1.189 schwarze 46: static void append_delims(struct roff_man *, int, int *, char *);
47: static void dword(struct roff_man *, int, int, const char *,
1.187 schwarze 48: enum mdelim, int);
1.219 schwarze 49: static int find_pending(struct roff_man *, enum roff_tok,
50: int, int, struct roff_node *);
1.189 schwarze 51: static int lookup(struct roff_man *, int, int, int, const char *);
1.153 schwarze 52: static int macro_or_word(MACRO_PROT_ARGS, int);
1.213 schwarze 53: static void break_intermediate(struct roff_node *,
1.219 schwarze 54: struct roff_node *);
55: static int parse_rest(struct roff_man *, enum roff_tok,
56: int, int *, char *);
57: static enum roff_tok rew_alt(enum roff_tok);
58: static void rew_elem(struct roff_man *, enum roff_tok);
1.189 schwarze 59: static void rew_last(struct roff_man *, const struct roff_node *);
60: static void rew_pending(struct roff_man *,
61: const struct roff_node *);
1.1 kristaps 62:
1.225 schwarze 63: static const struct mdoc_macro mdoc_macros[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 64: { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
65: { in_line_eoln, MDOC_PROLOGUE }, /* Dt */
66: { in_line_eoln, MDOC_PROLOGUE }, /* Os */
1.123 schwarze 67: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
68: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
69: { in_line_eoln, 0 }, /* Pp */
70: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
71: { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
1.1 kristaps 72: { blk_full, MDOC_EXPLICIT }, /* Bd */
1.123 schwarze 73: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
1.1 kristaps 74: { blk_full, MDOC_EXPLICIT }, /* Bl */
1.123 schwarze 75: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
76: { blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
77: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
78: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
1.224 schwarze 79: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
80: MDOC_IGNDELIM | MDOC_JOIN }, /* Ap */
1.1 kristaps 81: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.129 schwarze 82: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
1.1 kristaps 83: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
1.123 schwarze 84: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
85: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
86: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.1 kristaps 87: { in_line_eoln, 0 }, /* Ex */
1.123 schwarze 88: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
89: { in_line_eoln, 0 }, /* Fd */
1.1 kristaps 90: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.123 schwarze 91: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
92: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
1.128 schwarze 93: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
1.18 kristaps 94: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
1.123 schwarze 95: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
96: { blk_full, MDOC_JOIN }, /* Nd */
97: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
1.1 kristaps 98: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.132 schwarze 99: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
1.1 kristaps 100: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
101: { in_line_eoln, 0 }, /* Rv */
1.123 schwarze 102: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
1.1 kristaps 103: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
1.123 schwarze 104: { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
1.42 kristaps 105: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.123 schwarze 106: { in_line_eoln, MDOC_JOIN }, /* %A */
107: { in_line_eoln, MDOC_JOIN }, /* %B */
108: { in_line_eoln, MDOC_JOIN }, /* %D */
109: { in_line_eoln, MDOC_JOIN }, /* %I */
110: { in_line_eoln, MDOC_JOIN }, /* %J */
1.1 kristaps 111: { in_line_eoln, 0 }, /* %N */
1.123 schwarze 112: { in_line_eoln, MDOC_JOIN }, /* %O */
1.1 kristaps 113: { in_line_eoln, 0 }, /* %P */
1.123 schwarze 114: { in_line_eoln, MDOC_JOIN }, /* %R */
115: { in_line_eoln, MDOC_JOIN }, /* %T */
1.1 kristaps 116: { in_line_eoln, 0 }, /* %V */
1.123 schwarze 117: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
118: MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
119: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
120: MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
121: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
1.1 kristaps 122: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
1.123 schwarze 123: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
124: MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
125: { blk_full, MDOC_EXPLICIT }, /* Bf */
126: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
127: MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
128: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
1.1 kristaps 129: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
130: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
131: { in_line_eoln, 0 }, /* Db */
1.123 schwarze 132: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
133: MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
134: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
135: MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
136: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
137: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
138: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
139: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
1.1 kristaps 140: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
141: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
1.11 kristaps 142: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
1.144 schwarze 143: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
1.123 schwarze 144: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
145: MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
1.1 kristaps 146: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
147: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
1.123 schwarze 148: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
149: MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
1.52 kristaps 150: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
1.123 schwarze 151: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
152: MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
153: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
154: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
155: MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
156: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
157: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
158: MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
159: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
160: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
1.1 kristaps 161: { blk_full, MDOC_EXPLICIT }, /* Rs */
1.123 schwarze 162: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
163: MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
164: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
165: MDOC_EXPLICIT | MDOC_JOIN }, /* So */
166: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
1.147 schwarze 167: { in_line_argn, 0 }, /* Sm */
1.123 schwarze 168: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
169: { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
1.1 kristaps 170: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
1.123 schwarze 171: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
1.1 kristaps 172: { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
173: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.123 schwarze 174: { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
175: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
176: MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
177: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
178: MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
179: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
180: MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
1.1 kristaps 181: { blk_full, MDOC_EXPLICIT }, /* Bk */
1.123 schwarze 182: { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
1.1 kristaps 183: { in_line_eoln, 0 }, /* Bt */
184: { in_line_eoln, 0 }, /* Hf */
1.132 schwarze 185: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
1.1 kristaps 186: { in_line_eoln, 0 }, /* Ud */
1.69 kristaps 187: { in_line, 0 }, /* Lb */
1.123 schwarze 188: { in_line_eoln, 0 }, /* Lp */
189: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
190: { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
191: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
192: { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
193: MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
194: { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
195: MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
196: { in_line_eoln, MDOC_JOIN }, /* %C */
1.132 schwarze 197: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
198: { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
1.1 kristaps 199: { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
1.123 schwarze 200: { in_line_eoln, MDOC_JOIN }, /* %Q */
1.37 kristaps 201: { in_line_eoln, 0 }, /* %U */
1.123 schwarze 202: { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
1.1 kristaps 203: };
204:
205:
1.225 schwarze 206: const struct mdoc_macro *
207: mdoc_macro(enum roff_tok tok)
208: {
209: assert(tok >= MDOC_Dd && tok < MDOC_MAX);
210: return mdoc_macros + (tok - MDOC_Dd);
211: }
212:
1.1 kristaps 213: /*
214: * This is called at the end of parsing. It must traverse up the tree,
215: * closing out open [implicit] scopes. Obviously, open explicit scopes
216: * are errors.
217: */
1.151 schwarze 218: void
1.195 schwarze 219: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 220: {
1.185 schwarze 221: struct roff_node *n;
1.1 kristaps 222:
223: /* Scan for open explicit scopes. */
224:
1.210 schwarze 225: n = mdoc->last->flags & NODE_VALID ?
1.131 schwarze 226: mdoc->last->parent : mdoc->last;
1.1 kristaps 227:
1.94 schwarze 228: for ( ; n; n = n->parent)
1.184 schwarze 229: if (n->type == ROFFT_BLOCK &&
1.225 schwarze 230: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT)
1.227 ! schwarze 231: mandoc_msg(MANDOCERR_BLK_NOEND,
! 232: n->line, n->pos, "%s", roff_name[n->tok]);
1.1 kristaps 233:
1.32 kristaps 234: /* Rewind to the first. */
235:
1.149 schwarze 236: rew_last(mdoc, mdoc->first);
1.206 schwarze 237: mdoc_state_reset(mdoc);
1.1 kristaps 238: }
239:
1.32 kristaps 240: /*
1.153 schwarze 241: * Look up the macro at *p called by "from",
1.191 schwarze 242: * or as a line macro if from == TOKEN_NONE.
1.32 kristaps 243: */
1.185 schwarze 244: static int
1.189 schwarze 245: lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
1.28 kristaps 246: {
1.219 schwarze 247: enum roff_tok res;
1.1 kristaps 248:
1.205 schwarze 249: if (mdoc->flags & MDOC_PHRASEQF) {
250: mdoc->flags &= ~MDOC_PHRASEQF;
251: return TOKEN_NONE;
252: }
1.225 schwarze 253: if (from == TOKEN_NONE || mdoc_macro(from)->flags & MDOC_PARSED) {
1.220 schwarze 254: res = roffhash_find(mdoc->mdocmac, p, 0);
1.191 schwarze 255: if (res != TOKEN_NONE) {
1.225 schwarze 256: if (mdoc_macro(res)->flags & MDOC_CALLABLE)
1.202 schwarze 257: return res;
1.227 ! schwarze 258: mandoc_msg(MANDOCERR_MACRO_CALL, line, ppos, "%s", p);
1.155 schwarze 259: }
1.153 schwarze 260: }
1.202 schwarze 261: return TOKEN_NONE;
1.1 kristaps 262: }
263:
1.166 schwarze 264: /*
265: * Rewind up to and including a specific node.
266: */
1.149 schwarze 267: static void
1.189 schwarze 268: rew_last(struct roff_man *mdoc, const struct roff_node *to)
1.1 kristaps 269: {
270:
1.210 schwarze 271: if (to->flags & NODE_VALID)
1.186 schwarze 272: return;
273:
1.1 kristaps 274: while (mdoc->last != to) {
1.206 schwarze 275: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 276: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.206 schwarze 277: mdoc->last = mdoc->last->parent;
1.1 kristaps 278: }
1.206 schwarze 279: mdoc_state(mdoc, mdoc->last);
1.210 schwarze 280: mdoc->last->flags |= NODE_VALID | NODE_ENDED;
1.200 schwarze 281: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 282: }
283:
1.32 kristaps 284: /*
1.166 schwarze 285: * Rewind up to a specific block, including all blocks that broke it.
286: */
287: static void
1.189 schwarze 288: rew_pending(struct roff_man *mdoc, const struct roff_node *n)
1.166 schwarze 289: {
290:
1.183 schwarze 291: for (;;) {
292: rew_last(mdoc, n);
293:
1.194 schwarze 294: if (mdoc->last == n) {
295: switch (n->type) {
296: case ROFFT_HEAD:
297: roff_body_alloc(mdoc, n->line, n->pos,
298: n->tok);
1.207 schwarze 299: break;
1.194 schwarze 300: case ROFFT_BLOCK:
301: break;
302: default:
303: return;
304: }
1.210 schwarze 305: if ( ! (n->flags & NODE_BROKEN))
1.194 schwarze 306: return;
307: } else
308: n = mdoc->last;
1.166 schwarze 309:
1.183 schwarze 310: for (;;) {
311: if ((n = n->parent) == NULL)
312: return;
313:
1.184 schwarze 314: if (n->type == ROFFT_BLOCK ||
315: n->type == ROFFT_HEAD) {
1.210 schwarze 316: if (n->flags & NODE_ENDED)
1.183 schwarze 317: break;
318: else
319: return;
320: }
321: }
1.166 schwarze 322: }
323: }
324:
325: /*
1.84 schwarze 326: * For a block closing macro, return the corresponding opening one.
327: * Otherwise, return the macro itself.
1.32 kristaps 328: */
1.219 schwarze 329: static enum roff_tok
330: rew_alt(enum roff_tok tok)
1.1 kristaps 331: {
332: switch (tok) {
1.131 schwarze 333: case MDOC_Ac:
1.202 schwarze 334: return MDOC_Ao;
1.131 schwarze 335: case MDOC_Bc:
1.202 schwarze 336: return MDOC_Bo;
1.131 schwarze 337: case MDOC_Brc:
1.202 schwarze 338: return MDOC_Bro;
1.131 schwarze 339: case MDOC_Dc:
1.202 schwarze 340: return MDOC_Do;
1.131 schwarze 341: case MDOC_Ec:
1.202 schwarze 342: return MDOC_Eo;
1.131 schwarze 343: case MDOC_Ed:
1.202 schwarze 344: return MDOC_Bd;
1.131 schwarze 345: case MDOC_Ef:
1.202 schwarze 346: return MDOC_Bf;
1.131 schwarze 347: case MDOC_Ek:
1.202 schwarze 348: return MDOC_Bk;
1.131 schwarze 349: case MDOC_El:
1.202 schwarze 350: return MDOC_Bl;
1.131 schwarze 351: case MDOC_Fc:
1.202 schwarze 352: return MDOC_Fo;
1.131 schwarze 353: case MDOC_Oc:
1.202 schwarze 354: return MDOC_Oo;
1.131 schwarze 355: case MDOC_Pc:
1.202 schwarze 356: return MDOC_Po;
1.131 schwarze 357: case MDOC_Qc:
1.202 schwarze 358: return MDOC_Qo;
1.131 schwarze 359: case MDOC_Re:
1.202 schwarze 360: return MDOC_Rs;
1.131 schwarze 361: case MDOC_Sc:
1.202 schwarze 362: return MDOC_So;
1.131 schwarze 363: case MDOC_Xc:
1.202 schwarze 364: return MDOC_Xo;
1.1 kristaps 365: default:
1.202 schwarze 366: return tok;
1.1 kristaps 367: }
368: }
369:
1.149 schwarze 370: static void
1.219 schwarze 371: rew_elem(struct roff_man *mdoc, enum roff_tok tok)
1.1 kristaps 372: {
1.185 schwarze 373: struct roff_node *n;
1.1 kristaps 374:
375: n = mdoc->last;
1.184 schwarze 376: if (n->type != ROFFT_ELEM)
1.1 kristaps 377: n = n->parent;
1.184 schwarze 378: assert(n->type == ROFFT_ELEM);
1.1 kristaps 379: assert(tok == n->tok);
1.149 schwarze 380: rew_last(mdoc, n);
1.1 kristaps 381: }
382:
1.213 schwarze 383: static void
384: break_intermediate(struct roff_node *n, struct roff_node *breaker)
385: {
1.217 schwarze 386: if (n != breaker &&
387: n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
388: (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
389: n = n->parent;
1.213 schwarze 390: while (n != breaker) {
391: if ( ! (n->flags & NODE_VALID))
392: n->flags |= NODE_BROKEN;
393: n = n->parent;
394: }
395: }
396:
1.83 schwarze 397: /*
1.187 schwarze 398: * If there is an open sub-block of the target requiring
399: * explicit close-out, postpone closing out the target until
400: * the rew_pending() call closing out the sub-block.
401: */
402: static int
1.219 schwarze 403: find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
1.187 schwarze 404: struct roff_node *target)
405: {
406: struct roff_node *n;
407: int irc;
408:
1.215 schwarze 409: if (target->flags & NODE_VALID)
410: return 0;
411:
1.187 schwarze 412: irc = 0;
413: for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
1.213 schwarze 414: if (n->flags & NODE_ENDED)
1.187 schwarze 415: continue;
416: if (n->type == ROFFT_BLOCK &&
1.225 schwarze 417: mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.187 schwarze 418: irc = 1;
1.217 schwarze 419: break_intermediate(mdoc->last, target);
1.187 schwarze 420: if (target->type == ROFFT_HEAD)
1.212 schwarze 421: target->flags |= NODE_ENDED;
1.210 schwarze 422: else if ( ! (target->flags & NODE_ENDED)) {
1.227 ! schwarze 423: mandoc_msg(MANDOCERR_BLK_NEST,
! 424: line, ppos, "%s breaks %s",
! 425: roff_name[tok], roff_name[n->tok]);
1.187 schwarze 426: mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 427: tok, target);
1.187 schwarze 428: }
429: }
430: }
1.202 schwarze 431: return irc;
1.187 schwarze 432: }
433:
434: /*
1.105 kristaps 435: * Allocate a word and check whether it's punctuation or not.
436: * Punctuation consists of those tokens found in mdoc_isdelim().
437: */
1.150 schwarze 438: static void
1.189 schwarze 439: dword(struct roff_man *mdoc, int line, int col, const char *p,
1.123 schwarze 440: enum mdelim d, int may_append)
1.105 kristaps 441: {
1.131 schwarze 442:
1.150 schwarze 443: if (d == DELIM_MAX)
1.105 kristaps 444: d = mdoc_isdelim(p);
445:
1.123 schwarze 446: if (may_append &&
1.150 schwarze 447: ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
1.184 schwarze 448: d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
1.150 schwarze 449: mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
1.192 schwarze 450: roff_word_append(mdoc, p);
1.150 schwarze 451: return;
1.123 schwarze 452: }
453:
1.192 schwarze 454: roff_word_alloc(mdoc, line, col, p);
1.105 kristaps 455:
1.108 schwarze 456: /*
1.144 schwarze 457: * If the word consists of a bare delimiter,
458: * flag the new node accordingly,
459: * unless doing so was vetoed by the invoking macro.
460: * Always clear the veto, it is only valid for one word.
1.108 schwarze 461: */
462:
1.144 schwarze 463: if (d == DELIM_OPEN)
1.210 schwarze 464: mdoc->last->flags |= NODE_DELIMO;
1.144 schwarze 465: else if (d == DELIM_CLOSE &&
466: ! (mdoc->flags & MDOC_NODELIMC) &&
1.131 schwarze 467: mdoc->last->parent->tok != MDOC_Fd)
1.210 schwarze 468: mdoc->last->flags |= NODE_DELIMC;
1.144 schwarze 469: mdoc->flags &= ~MDOC_NODELIMC;
1.105 kristaps 470: }
1.1 kristaps 471:
1.150 schwarze 472: static void
1.189 schwarze 473: append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
1.1 kristaps 474: {
1.153 schwarze 475: char *p;
1.66 kristaps 476: int la;
1.1 kristaps 477:
1.150 schwarze 478: if (buf[*pos] == '\0')
479: return;
1.1 kristaps 480:
481: for (;;) {
1.66 kristaps 482: la = *pos;
1.191 schwarze 483: if (mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p) ==
484: ARGS_EOLN)
1.1 kristaps 485: break;
1.123 schwarze 486: dword(mdoc, line, la, p, DELIM_MAX, 1);
1.66 kristaps 487:
488: /*
489: * If we encounter end-of-sentence symbols, then trigger
490: * the double-space.
491: *
1.109 kristaps 492: * XXX: it's easy to allow this to propagate outward to
1.66 kristaps 493: * the last symbol, such that `. )' will cause the
494: * correct double-spacing. However, (1) groff isn't
495: * smart enough to do this and (2) it would require
496: * knowing which symbols break this behaviour, for
1.109 kristaps 497: * example, `. ;' shouldn't propagate the double-space.
1.66 kristaps 498: */
1.150 schwarze 499:
1.127 schwarze 500: if (mandoc_eos(p, strlen(p)))
1.210 schwarze 501: mdoc->last->flags |= NODE_EOS;
1.1 kristaps 502: }
503: }
504:
505: /*
1.153 schwarze 506: * Parse one word.
507: * If it is a macro, call it and return 1.
508: * Otherwise, allocate it and return 0.
509: */
510: static int
511: macro_or_word(MACRO_PROT_ARGS, int parsed)
512: {
513: char *p;
1.185 schwarze 514: int ntok;
1.153 schwarze 515:
516: p = buf + ppos;
1.191 schwarze 517: ntok = TOKEN_NONE;
1.157 schwarze 518: if (*p == '"')
1.153 schwarze 519: p++;
1.157 schwarze 520: else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
1.155 schwarze 521: ntok = lookup(mdoc, tok, line, ppos, p);
1.153 schwarze 522:
1.191 schwarze 523: if (ntok == TOKEN_NONE) {
524: dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
1.225 schwarze 525: mdoc_macro(tok)->flags & MDOC_JOIN);
1.202 schwarze 526: return 0;
1.153 schwarze 527: } else {
1.219 schwarze 528: if (tok != TOKEN_NONE &&
1.225 schwarze 529: mdoc_macro(tok)->fp == in_line_eoln)
1.153 schwarze 530: rew_elem(mdoc, tok);
1.225 schwarze 531: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
1.191 schwarze 532: if (tok == TOKEN_NONE)
1.153 schwarze 533: append_delims(mdoc, line, pos, buf);
1.202 schwarze 534: return 1;
1.153 schwarze 535: }
536: }
537:
538: /*
1.131 schwarze 539: * Close out block partial/full explicit.
1.1 kristaps 540: */
1.151 schwarze 541: static void
1.1 kristaps 542: blk_exp_close(MACRO_PROT_ARGS)
543: {
1.185 schwarze 544: struct roff_node *body; /* Our own body. */
545: struct roff_node *endbody; /* Our own end marker. */
546: struct roff_node *itblk; /* An It block starting later. */
547: struct roff_node *later; /* A sub-block starting later. */
548: struct roff_node *n; /* Search back to our block. */
1.188 schwarze 549: struct roff_node *target; /* For find_pending(). */
1.83 schwarze 550:
1.188 schwarze 551: int j, lastarg, maxargs, nl, pending;
1.55 kristaps 552: enum margserr ac;
1.219 schwarze 553: enum roff_tok atok, ntok;
1.1 kristaps 554: char *p;
555:
1.119 schwarze 556: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 557:
1.1 kristaps 558: switch (tok) {
1.131 schwarze 559: case MDOC_Ec:
1.1 kristaps 560: maxargs = 1;
561: break;
1.131 schwarze 562: case MDOC_Ek:
1.125 schwarze 563: mdoc->flags &= ~MDOC_KEEP;
1.151 schwarze 564: /* FALLTHROUGH */
1.1 kristaps 565: default:
566: maxargs = 0;
567: break;
568: }
569:
1.209 schwarze 570: /* Search backwards for the beginning of our own body. */
571:
572: atok = rew_alt(tok);
573: body = NULL;
574: for (n = mdoc->last; n; n = n->parent) {
1.210 schwarze 575: if (n->flags & NODE_ENDED || n->tok != atok ||
1.209 schwarze 576: n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
577: continue;
578: body = n;
579: break;
580: }
581:
1.83 schwarze 582: /*
583: * Search backwards for beginnings of blocks,
584: * both of our own and of pending sub-blocks.
585: */
1.151 schwarze 586:
1.209 schwarze 587: endbody = itblk = later = NULL;
1.119 schwarze 588: for (n = mdoc->last; n; n = n->parent) {
1.213 schwarze 589: if (n->flags & NODE_ENDED)
1.83 schwarze 590: continue;
591:
1.209 schwarze 592: /*
1.211 schwarze 593: * Mismatching end macros can never break anything
1.209 schwarze 594: * and we only care about the breaking of BLOCKs.
595: */
1.83 schwarze 596:
1.211 schwarze 597: if (body == NULL || n->type != ROFFT_BLOCK)
1.83 schwarze 598: continue;
1.160 schwarze 599:
1.211 schwarze 600: /*
601: * SYNOPSIS name blocks can not be broken themselves,
602: * but they do get broken together with a broken child.
603: */
604:
605: if (n->tok == MDOC_Nm) {
606: if (later != NULL)
607: n->flags |= NODE_BROKEN | NODE_ENDED;
608: continue;
609: }
610:
1.160 schwarze 611: if (n->tok == MDOC_It) {
1.171 schwarze 612: itblk = n;
1.160 schwarze 613: continue;
614: }
615:
1.83 schwarze 616: if (atok == n->tok) {
617:
618: /*
619: * Found the start of our own block.
620: * When there is no pending sub block,
621: * just proceed to closing out.
622: */
1.151 schwarze 623:
1.160 schwarze 624: if (later == NULL ||
1.171 schwarze 625: (tok == MDOC_El && itblk == NULL))
1.83 schwarze 626: break;
627:
1.131 schwarze 628: /*
1.167 schwarze 629: * When there is a pending sub block, postpone
630: * closing out the current block until the
631: * rew_pending() closing out the sub-block.
1.83 schwarze 632: * Mark the place where the formatting - but not
633: * the scope - of the current block ends.
634: */
1.151 schwarze 635:
1.227 ! schwarze 636: mandoc_msg(MANDOCERR_BLK_NEST,
1.183 schwarze 637: line, ppos, "%s breaks %s",
1.219 schwarze 638: roff_name[atok], roff_name[later->tok]);
1.183 schwarze 639:
1.166 schwarze 640: endbody = mdoc_endbody_alloc(mdoc, line, ppos,
1.216 schwarze 641: atok, body);
1.151 schwarze 642:
1.183 schwarze 643: if (tok == MDOC_El)
1.210 schwarze 644: itblk->flags |= NODE_ENDED | NODE_BROKEN;
1.183 schwarze 645:
1.151 schwarze 646: /*
647: * If a block closing macro taking arguments
648: * breaks another block, put the arguments
1.166 schwarze 649: * into the end marker.
1.151 schwarze 650: */
651:
1.166 schwarze 652: if (maxargs)
1.189 schwarze 653: mdoc->next = ROFF_NEXT_CHILD;
1.83 schwarze 654: break;
1.182 schwarze 655: }
656:
1.214 schwarze 657: /*
658: * Explicit blocks close out description lines, but
659: * even those can get broken together with a child.
660: */
1.182 schwarze 661:
662: if (n->tok == MDOC_Nd) {
1.214 schwarze 663: if (later != NULL)
664: n->flags |= NODE_BROKEN | NODE_ENDED;
665: else
666: rew_last(mdoc, n);
1.182 schwarze 667: continue;
1.83 schwarze 668: }
669:
1.183 schwarze 670: /* Breaking an open sub block. */
1.151 schwarze 671:
1.213 schwarze 672: break_intermediate(mdoc->last, body);
1.210 schwarze 673: n->flags |= NODE_BROKEN;
1.183 schwarze 674: if (later == NULL)
1.83 schwarze 675: later = n;
676: }
1.166 schwarze 677:
678: if (body == NULL) {
1.227 ! schwarze 679: mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos,
! 680: "%s", roff_name[tok]);
1.166 schwarze 681: if (maxargs && endbody == NULL) {
682: /*
683: * Stray .Ec without previous .Eo:
684: * Break the output line, keep the arguments.
685: */
1.221 schwarze 686: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
687: rew_elem(mdoc, ROFF_br);
1.166 schwarze 688: }
689: } else if (endbody == NULL) {
690: rew_last(mdoc, body);
691: if (maxargs)
692: mdoc_tail_alloc(mdoc, line, ppos, atok);
693: }
1.83 schwarze 694:
1.225 schwarze 695: if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
1.150 schwarze 696: if (buf[*pos] != '\0')
1.227 ! schwarze 697: mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos,
! 698: "%s %s", roff_name[tok], buf + *pos);
1.171 schwarze 699: if (endbody == NULL && n != NULL)
1.167 schwarze 700: rew_pending(mdoc, n);
1.151 schwarze 701: return;
1.1 kristaps 702: }
703:
1.166 schwarze 704: if (endbody != NULL)
705: n = endbody;
1.197 schwarze 706:
707: ntok = TOKEN_NONE;
1.148 schwarze 708: for (j = 0; ; j++) {
1.1 kristaps 709: lastarg = *pos;
710:
1.186 schwarze 711: if (j == maxargs && n != NULL)
712: rew_last(mdoc, n);
1.1 kristaps 713:
1.119 schwarze 714: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 715: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 716: break;
717:
1.224 schwarze 718: ntok = lookup(mdoc, tok, line, lastarg, p);
1.54 kristaps 719:
1.191 schwarze 720: if (ntok == TOKEN_NONE) {
1.150 schwarze 721: dword(mdoc, line, lastarg, p, DELIM_MAX,
1.225 schwarze 722: mdoc_macro(tok)->flags & MDOC_JOIN);
1.54 kristaps 723: continue;
724: }
1.1 kristaps 725:
1.186 schwarze 726: if (n != NULL)
727: rew_last(mdoc, n);
1.122 schwarze 728: mdoc->flags &= ~MDOC_NEWLINE;
1.225 schwarze 729: (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
1.54 kristaps 730: break;
1.1 kristaps 731: }
732:
1.188 schwarze 733: if (n != NULL) {
1.212 schwarze 734: pending = 0;
1.210 schwarze 735: if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
1.188 schwarze 736: target = n;
737: do
738: target = target->parent;
1.210 schwarze 739: while ( ! (target->flags & NODE_ENDED));
1.215 schwarze 740: pending = find_pending(mdoc, ntok, line, ppos, target);
1.212 schwarze 741: }
1.188 schwarze 742: if ( ! pending)
743: rew_pending(mdoc, n);
744: }
1.150 schwarze 745: if (nl)
746: append_delims(mdoc, line, pos, buf);
1.1 kristaps 747: }
748:
1.151 schwarze 749: static void
1.1 kristaps 750: in_line(MACRO_PROT_ARGS)
751: {
1.144 schwarze 752: int la, scope, cnt, firstarg, mayopen, nc, nl;
1.219 schwarze 753: enum roff_tok ntok;
1.55 kristaps 754: enum margserr ac;
1.67 schwarze 755: enum mdelim d;
1.53 kristaps 756: struct mdoc_arg *arg;
757: char *p;
1.1 kristaps 758:
1.119 schwarze 759: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 760:
1.4 kristaps 761: /*
762: * Whether we allow ignored elements (those without content,
763: * usually because of reserved words) to squeak by.
764: */
1.45 kristaps 765:
1.4 kristaps 766: switch (tok) {
1.131 schwarze 767: case MDOC_An:
768: case MDOC_Ar:
769: case MDOC_Fl:
770: case MDOC_Mt:
771: case MDOC_Nm:
772: case MDOC_Pa:
1.4 kristaps 773: nc = 1;
774: break;
775: default:
776: nc = 0;
777: break;
778: }
779:
1.152 schwarze 780: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 781:
1.144 schwarze 782: d = DELIM_NONE;
783: firstarg = 1;
1.142 schwarze 784: mayopen = 1;
1.70 kristaps 785: for (cnt = scope = 0;; ) {
1.1 kristaps 786: la = *pos;
1.119 schwarze 787: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.1 kristaps 788:
1.144 schwarze 789: /*
790: * At the end of a macro line,
791: * opening delimiters do not suppress spacing.
792: */
793:
794: if (ac == ARGS_EOLN) {
795: if (d == DELIM_OPEN)
1.210 schwarze 796: mdoc->last->flags &= ~NODE_DELIMO;
1.1 kristaps 797: break;
1.144 schwarze 798: }
799:
800: /*
801: * The rest of the macro line is only punctuation,
802: * to be handled by append_delims().
803: * If there were no other arguments,
804: * do not allow the first one to suppress spacing,
805: * even if it turns out to be a closing one.
806: */
807:
808: if (ac == ARGS_PUNCT) {
1.176 schwarze 809: if (cnt == 0 && (nc == 0 || tok == MDOC_An))
1.144 schwarze 810: mdoc->flags |= MDOC_NODELIMC;
1.1 kristaps 811: break;
1.144 schwarze 812: }
1.1 kristaps 813:
1.224 schwarze 814: ntok = (tok == MDOC_Fn && !cnt) ?
1.191 schwarze 815: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.1 kristaps 816:
1.131 schwarze 817: /*
1.4 kristaps 818: * In this case, we've located a submacro and must
819: * execute it. Close out scope, if open. If no
820: * elements have been generated, either create one (nc)
821: * or raise a warning.
822: */
1.1 kristaps 823:
1.191 schwarze 824: if (ntok != TOKEN_NONE) {
1.149 schwarze 825: if (scope)
826: rew_elem(mdoc, tok);
1.150 schwarze 827: if (nc && ! cnt) {
828: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.149 schwarze 829: rew_last(mdoc, mdoc->last);
1.150 schwarze 830: } else if ( ! nc && ! cnt) {
1.7 kristaps 831: mdoc_argv_free(arg);
1.135 schwarze 832: mandoc_msg(MANDOCERR_MACRO_EMPTY,
1.227 ! schwarze 833: line, ppos, "%s", roff_name[tok]);
1.7 kristaps 834: }
1.225 schwarze 835: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
836: line, la, pos, buf);
1.150 schwarze 837: if (nl)
838: append_delims(mdoc, line, pos, buf);
1.151 schwarze 839: return;
1.131 schwarze 840: }
1.1 kristaps 841:
1.131 schwarze 842: /*
1.224 schwarze 843: * Handle punctuation. Set up our scope, if a word;
844: * rewind the scope, if a delimiter; then append the word.
1.4 kristaps 845: */
1.1 kristaps 846:
1.224 schwarze 847: if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
1.70 kristaps 848: /*
849: * If we encounter closing punctuation, no word
1.144 schwarze 850: * has been emitted, no scope is open, and we're
1.70 kristaps 851: * allowed to have an empty element, then start
1.142 schwarze 852: * a new scope.
1.70 kristaps 853: */
1.142 schwarze 854: if ((d == DELIM_CLOSE ||
855: (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
1.144 schwarze 856: !cnt && !scope && nc && mayopen) {
1.150 schwarze 857: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 858: scope = 1;
1.142 schwarze 859: cnt++;
1.150 schwarze 860: if (tok == MDOC_Nm)
1.142 schwarze 861: mayopen = 0;
1.70 kristaps 862: }
863: /*
864: * Close out our scope, if one is open, before
865: * any punctuation.
866: */
1.224 schwarze 867: if (scope && tok != MDOC_Lk) {
1.149 schwarze 868: rew_elem(mdoc, tok);
1.224 schwarze 869: scope = 0;
870: if (tok == MDOC_Fn)
871: mayopen = 0;
872: }
1.142 schwarze 873: } else if (mayopen && !scope) {
1.150 schwarze 874: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.70 kristaps 875: scope = 1;
1.142 schwarze 876: cnt++;
1.1 kristaps 877: }
1.105 kristaps 878:
1.150 schwarze 879: dword(mdoc, line, la, p, d,
1.225 schwarze 880: mdoc_macro(tok)->flags & MDOC_JOIN);
1.39 kristaps 881:
882: /*
1.144 schwarze 883: * If the first argument is a closing delimiter,
884: * do not suppress spacing before it.
885: */
886:
887: if (firstarg && d == DELIM_CLOSE && !nc)
1.210 schwarze 888: mdoc->last->flags &= ~NODE_DELIMC;
1.144 schwarze 889: firstarg = 0;
890:
891: /*
1.39 kristaps 892: * `Fl' macros have their scope re-opened with each new
893: * word so that the `-' can be added to each one without
894: * having to parse out spaces.
895: */
1.150 schwarze 896: if (scope && tok == MDOC_Fl) {
1.149 schwarze 897: rew_elem(mdoc, tok);
1.70 kristaps 898: scope = 0;
1.39 kristaps 899: }
1.1 kristaps 900: }
901:
1.218 schwarze 902: if (scope && tok != MDOC_Lk) {
1.149 schwarze 903: rew_elem(mdoc, tok);
1.218 schwarze 904: scope = 0;
905: }
1.4 kristaps 906:
907: /*
908: * If no elements have been collected and we're allowed to have
909: * empties (nc), open a scope and close it out. Otherwise,
910: * raise a warning.
911: */
1.45 kristaps 912:
1.150 schwarze 913: if ( ! cnt) {
914: if (nc) {
915: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
916: rew_last(mdoc, mdoc->last);
917: } else {
918: mdoc_argv_free(arg);
1.227 ! schwarze 919: mandoc_msg(MANDOCERR_MACRO_EMPTY,
! 920: line, ppos, "%s", roff_name[tok]);
1.150 schwarze 921: }
1.7 kristaps 922: }
1.150 schwarze 923: if (nl)
924: append_delims(mdoc, line, pos, buf);
1.218 schwarze 925: if (scope)
926: rew_elem(mdoc, tok);
1.1 kristaps 927: }
928:
1.151 schwarze 929: static void
1.1 kristaps 930: blk_full(MACRO_PROT_ARGS)
931: {
1.153 schwarze 932: int la, nl, parsed;
1.1 kristaps 933: struct mdoc_arg *arg;
1.185 schwarze 934: struct roff_node *blk; /* Our own or a broken block. */
935: struct roff_node *head; /* Our own head. */
936: struct roff_node *body; /* Our own body. */
937: struct roff_node *n;
1.59 kristaps 938: enum margserr ac, lac;
1.1 kristaps 939: char *p;
940:
1.119 schwarze 941: nl = MDOC_NEWLINE & mdoc->flags;
1.138 schwarze 942:
1.177 schwarze 943: if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
1.227 ! schwarze 944: mandoc_msg(MANDOCERR_MACRO_EMPTY,
! 945: line, ppos, "%s", roff_name[tok]);
1.177 schwarze 946: return;
947: }
948:
1.225 schwarze 949: if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
1.171 schwarze 950:
951: /* Here, tok is one of Sh Ss Nm Nd It. */
952:
953: blk = NULL;
954: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 955: if (n->flags & NODE_ENDED) {
956: if ( ! (n->flags & NODE_VALID))
957: n->flags |= NODE_BROKEN;
1.183 schwarze 958: continue;
959: }
1.184 schwarze 960: if (n->type != ROFFT_BLOCK)
1.171 schwarze 961: continue;
1.183 schwarze 962:
1.171 schwarze 963: if (tok == MDOC_It && n->tok == MDOC_Bl) {
964: if (blk != NULL) {
1.227 ! schwarze 965: mandoc_msg(MANDOCERR_BLK_BROKEN,
! 966: line, ppos, "It breaks %s",
1.219 schwarze 967: roff_name[blk->tok]);
1.171 schwarze 968: rew_pending(mdoc, blk);
969: }
970: break;
971: }
972:
1.225 schwarze 973: if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
1.171 schwarze 974: switch (tok) {
975: case MDOC_Sh:
976: case MDOC_Ss:
1.227 ! schwarze 977: mandoc_msg(MANDOCERR_BLK_BROKEN,
! 978: line, ppos,
1.219 schwarze 979: "%s breaks %s", roff_name[tok],
980: roff_name[n->tok]);
1.171 schwarze 981: rew_pending(mdoc, n);
1.180 schwarze 982: n = mdoc->last;
1.171 schwarze 983: continue;
984: case MDOC_It:
985: /* Delay in case it's astray. */
986: blk = n;
987: continue;
988: default:
989: break;
990: }
991: break;
992: }
993:
994: /* Here, n is one of Sh Ss Nm Nd It. */
1.138 schwarze 995:
1.171 schwarze 996: if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
997: (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
998: (tok != MDOC_It && n->tok == MDOC_It)))))
1.138 schwarze 999: break;
1.171 schwarze 1000:
1001: /* Item breaking an explicit block. */
1002:
1003: if (blk != NULL) {
1.227 ! schwarze 1004: mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
1.219 schwarze 1005: "It breaks %s", roff_name[blk->tok]);
1.171 schwarze 1006: rew_pending(mdoc, blk);
1.172 schwarze 1007: blk = NULL;
1.171 schwarze 1008: }
1009:
1010: /* Close out prior implicit scopes. */
1011:
1.211 schwarze 1012: rew_pending(mdoc, n);
1.171 schwarze 1013: }
1014:
1015: /* Skip items outside lists. */
1016:
1017: if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
1.227 ! schwarze 1018: mandoc_msg(MANDOCERR_IT_STRAY,
1.138 schwarze 1019: line, ppos, "It %s", buf + *pos);
1.221 schwarze 1020: roff_elem_alloc(mdoc, line, ppos, ROFF_br);
1021: rew_elem(mdoc, ROFF_br);
1.151 schwarze 1022: return;
1.138 schwarze 1023: }
1.1 kristaps 1024: }
1025:
1.45 kristaps 1026: /*
1.109 kristaps 1027: * This routine accommodates implicitly- and explicitly-scoped
1.45 kristaps 1028: * macro openings. Implicit ones first close out prior scope
1029: * (seen above). Delay opening the head until necessary to
1030: * allow leading punctuation to print. Special consideration
1031: * for `It -column', which has phrase-part syntax instead of
1032: * regular child nodes.
1033: */
1034:
1.152 schwarze 1035: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.165 schwarze 1036: blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
1.49 kristaps 1037: head = body = NULL;
1.115 schwarze 1038:
1039: /*
1040: * Exception: Heads of `It' macros in `-diag' lists are not
1041: * parsed, even though `It' macros in general are parsed.
1042: */
1.151 schwarze 1043:
1.153 schwarze 1044: parsed = tok != MDOC_It ||
1045: mdoc->last->parent->tok != MDOC_Bl ||
1046: mdoc->last->parent->norm->Bl.type != LIST_diag;
1.1 kristaps 1047:
1.45 kristaps 1048: /*
1049: * The `Nd' macro has all arguments in its body: it's a hybrid
1050: * of block partial-explicit and full-implicit. Stupid.
1051: */
1.19 kristaps 1052:
1.150 schwarze 1053: if (tok == MDOC_Nd) {
1.190 schwarze 1054: head = roff_head_alloc(mdoc, line, ppos, tok);
1.162 schwarze 1055: rew_last(mdoc, head);
1.190 schwarze 1056: body = roff_body_alloc(mdoc, line, ppos, tok);
1.123 schwarze 1057: }
1058:
1.150 schwarze 1059: if (tok == MDOC_Bk)
1.123 schwarze 1060: mdoc->flags |= MDOC_KEEP;
1.19 kristaps 1061:
1.205 schwarze 1062: ac = ARGS_EOLN;
1.150 schwarze 1063: for (;;) {
1.205 schwarze 1064:
1065: /*
1066: * If we are right after a tab character,
1067: * do not parse the first word for macros.
1068: */
1069:
1070: if (mdoc->flags & MDOC_PHRASEQN) {
1071: mdoc->flags &= ~MDOC_PHRASEQN;
1072: mdoc->flags |= MDOC_PHRASEQF;
1073: }
1074:
1.45 kristaps 1075: la = *pos;
1.150 schwarze 1076: lac = ac;
1.119 schwarze 1077: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1078: if (ac == ARGS_EOLN) {
1.205 schwarze 1079: if (lac != ARGS_PHRASE ||
1080: ! (mdoc->flags & MDOC_PHRASEQF))
1.75 kristaps 1081: break;
1.205 schwarze 1082:
1.75 kristaps 1083: /*
1.205 schwarze 1084: * This line ends in a tab; start the next
1085: * column now, with a leading blank.
1.75 kristaps 1086: */
1.205 schwarze 1087:
1.167 schwarze 1088: if (body != NULL)
1089: rew_last(mdoc, body);
1.190 schwarze 1090: body = roff_body_alloc(mdoc, line, ppos, tok);
1.205 schwarze 1091: roff_word_alloc(mdoc, line, ppos, "\\&");
1.1 kristaps 1092: break;
1.75 kristaps 1093: }
1.205 schwarze 1094:
1.174 schwarze 1095: if (tok == MDOC_Bd || tok == MDOC_Bk) {
1.227 ! schwarze 1096: mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
! 1097: "%s ... %s", roff_name[tok], buf + la);
1.174 schwarze 1098: break;
1099: }
1.173 schwarze 1100: if (tok == MDOC_Rs) {
1.227 ! schwarze 1101: mandoc_msg(MANDOCERR_ARG_SKIP,
1.173 schwarze 1102: line, la, "Rs %s", buf + la);
1103: break;
1104: }
1105: if (ac == ARGS_PUNCT)
1106: break;
1.45 kristaps 1107:
1.131 schwarze 1108: /*
1.73 kristaps 1109: * Emit leading punctuation (i.e., punctuation before
1.184 schwarze 1110: * the ROFFT_HEAD) for non-phrase types.
1.73 kristaps 1111: */
1.45 kristaps 1112:
1.150 schwarze 1113: if (head == NULL &&
1114: ac != ARGS_PHRASE &&
1115: mdoc_isdelim(p) == DELIM_OPEN) {
1116: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.45 kristaps 1117: continue;
1118: }
1119:
1.74 kristaps 1120: /* Open a head if one hasn't been opened. */
1.45 kristaps 1121:
1.150 schwarze 1122: if (head == NULL)
1.190 schwarze 1123: head = roff_head_alloc(mdoc, line, ppos, tok);
1.45 kristaps 1124:
1.205 schwarze 1125: if (ac == ARGS_PHRASE) {
1.151 schwarze 1126:
1.73 kristaps 1127: /*
1.74 kristaps 1128: * If we haven't opened a body yet, rewind the
1129: * head; if we have, rewind that instead.
1130: */
1131:
1.167 schwarze 1132: rew_last(mdoc, body == NULL ? head : body);
1.190 schwarze 1133: body = roff_body_alloc(mdoc, line, ppos, tok);
1.74 kristaps 1134:
1.205 schwarze 1135: /* Process to the tab or to the end of the line. */
1.74 kristaps 1136:
1.205 schwarze 1137: mdoc->flags |= MDOC_PHRASE;
1.191 schwarze 1138: parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
1.205 schwarze 1139: mdoc->flags &= ~MDOC_PHRASE;
1.204 schwarze 1140:
1141: /* There may have been `Ta' macros. */
1142:
1143: while (body->next != NULL)
1144: body = body->next;
1.1 kristaps 1145: continue;
1146: }
1147:
1.153 schwarze 1148: if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
1.151 schwarze 1149: break;
1.45 kristaps 1150: }
1.1 kristaps 1151:
1.210 schwarze 1152: if (blk->flags & NODE_VALID)
1.165 schwarze 1153: return;
1.150 schwarze 1154: if (head == NULL)
1.190 schwarze 1155: head = roff_head_alloc(mdoc, line, ppos, tok);
1.174 schwarze 1156: if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
1.150 schwarze 1157: append_delims(mdoc, line, pos, buf);
1.151 schwarze 1158: if (body != NULL)
1.77 kristaps 1159: goto out;
1.187 schwarze 1160: if (find_pending(mdoc, tok, line, ppos, head))
1.183 schwarze 1161: return;
1.47 kristaps 1162:
1.45 kristaps 1163: /* Close out scopes to remain in a consistent state. */
1164:
1.167 schwarze 1165: rew_last(mdoc, head);
1.190 schwarze 1166: body = roff_body_alloc(mdoc, line, ppos, tok);
1.77 kristaps 1167: out:
1.150 schwarze 1168: if (mdoc->flags & MDOC_FREECOL) {
1.167 schwarze 1169: rew_last(mdoc, body);
1170: rew_last(mdoc, blk);
1.150 schwarze 1171: mdoc->flags &= ~MDOC_FREECOL;
1172: }
1.1 kristaps 1173: }
1174:
1.151 schwarze 1175: static void
1.1 kristaps 1176: blk_part_imp(MACRO_PROT_ARGS)
1177: {
1.63 kristaps 1178: int la, nl;
1.55 kristaps 1179: enum margserr ac;
1.1 kristaps 1180: char *p;
1.185 schwarze 1181: struct roff_node *blk; /* saved block context */
1182: struct roff_node *body; /* saved body context */
1183: struct roff_node *n;
1.1 kristaps 1184:
1.119 schwarze 1185: nl = MDOC_NEWLINE & mdoc->flags;
1.63 kristaps 1186:
1.43 kristaps 1187: /*
1188: * A macro that spans to the end of the line. This is generally
1189: * (but not necessarily) called as the first macro. The block
1190: * has a head as the immediate child, which is always empty,
1191: * followed by zero or more opening punctuation nodes, then the
1192: * body (which may be empty, depending on the macro), then zero
1193: * or more closing punctuation nodes.
1194: */
1.32 kristaps 1195:
1.150 schwarze 1196: blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
1.190 schwarze 1197: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1.1 kristaps 1198:
1.43 kristaps 1199: /*
1200: * Open the body scope "on-demand", that is, after we've
1201: * processed all our the leading delimiters (open parenthesis,
1202: * etc.).
1203: */
1.1 kristaps 1204:
1.43 kristaps 1205: for (body = NULL; ; ) {
1.32 kristaps 1206: la = *pos;
1.119 schwarze 1207: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1208: if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
1.1 kristaps 1209: break;
1210:
1.224 schwarze 1211: if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1212: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.1 kristaps 1213: continue;
1.123 schwarze 1214: }
1.1 kristaps 1215:
1.150 schwarze 1216: if (body == NULL)
1.190 schwarze 1217: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1218:
1.153 schwarze 1219: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1220: break;
1.1 kristaps 1221: }
1.150 schwarze 1222: if (body == NULL)
1.190 schwarze 1223: body = roff_body_alloc(mdoc, line, ppos, tok);
1.43 kristaps 1224:
1.187 schwarze 1225: if (find_pending(mdoc, tok, line, ppos, body))
1.183 schwarze 1226: return;
1227:
1.164 schwarze 1228: rew_last(mdoc, body);
1.150 schwarze 1229: if (nl)
1230: append_delims(mdoc, line, pos, buf);
1.166 schwarze 1231: rew_pending(mdoc, blk);
1.117 schwarze 1232:
1233: /* Move trailing .Ns out of scope. */
1234:
1235: for (n = body->child; n && n->next; n = n->next)
1236: /* Do nothing. */ ;
1.150 schwarze 1237: if (n && n->tok == MDOC_Ns)
1.226 schwarze 1238: roff_node_relink(mdoc, n);
1.1 kristaps 1239: }
1240:
1.151 schwarze 1241: static void
1.1 kristaps 1242: blk_part_exp(MACRO_PROT_ARGS)
1243: {
1.60 kristaps 1244: int la, nl;
1.55 kristaps 1245: enum margserr ac;
1.185 schwarze 1246: struct roff_node *head; /* keep track of head */
1.1 kristaps 1247: char *p;
1248:
1.119 schwarze 1249: nl = MDOC_NEWLINE & mdoc->flags;
1.60 kristaps 1250:
1.43 kristaps 1251: /*
1252: * The opening of an explicit macro having zero or more leading
1253: * punctuation nodes; a head with optional single element (the
1254: * case of `Eo'); and a body that may be empty.
1255: */
1.32 kristaps 1256:
1.193 schwarze 1257: roff_block_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1258: head = NULL;
1259: for (;;) {
1.32 kristaps 1260: la = *pos;
1.119 schwarze 1261: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.150 schwarze 1262: if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
1.1 kristaps 1263: break;
1.43 kristaps 1264:
1265: /* Flush out leading punctuation. */
1266:
1.224 schwarze 1267: if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
1.150 schwarze 1268: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1.43 kristaps 1269: continue;
1.123 schwarze 1270: }
1.43 kristaps 1271:
1.150 schwarze 1272: if (head == NULL) {
1.190 schwarze 1273: head = roff_head_alloc(mdoc, line, ppos, tok);
1.163 schwarze 1274: if (tok == MDOC_Eo) /* Not parsed. */
1.150 schwarze 1275: dword(mdoc, line, la, p, DELIM_MAX, 0);
1.163 schwarze 1276: rew_last(mdoc, head);
1.190 schwarze 1277: roff_body_alloc(mdoc, line, ppos, tok);
1.150 schwarze 1278: if (tok == MDOC_Eo)
1.43 kristaps 1279: continue;
1.1 kristaps 1280: }
1.43 kristaps 1281:
1.153 schwarze 1282: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.151 schwarze 1283: break;
1.1 kristaps 1284: }
1285:
1.43 kristaps 1286: /* Clean-up to leave in a consistent state. */
1.32 kristaps 1287:
1.163 schwarze 1288: if (head == NULL) {
1.190 schwarze 1289: rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
1290: roff_body_alloc(mdoc, line, ppos, tok);
1.1 kristaps 1291: }
1.150 schwarze 1292: if (nl)
1293: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1294: }
1295:
1.151 schwarze 1296: static void
1.1 kristaps 1297: in_line_argn(MACRO_PROT_ARGS)
1298: {
1.53 kristaps 1299: struct mdoc_arg *arg;
1300: char *p;
1.181 schwarze 1301: enum margserr ac;
1.219 schwarze 1302: enum roff_tok ntok;
1.181 schwarze 1303: int state; /* arg#; -1: not yet open; -2: closed */
1304: int la, maxargs, nl;
1.1 kristaps 1305:
1.156 schwarze 1306: nl = mdoc->flags & MDOC_NEWLINE;
1.60 kristaps 1307:
1.46 kristaps 1308: /*
1309: * A line macro that has a fixed number of arguments (maxargs).
1310: * Only open the scope once the first non-leading-punctuation is
1311: * found (unless MDOC_IGNDELIM is noted, like in `Pf'), then
1312: * keep it open until the maximum number of arguments are
1313: * exhausted.
1314: */
1.1 kristaps 1315:
1316: switch (tok) {
1.131 schwarze 1317: case MDOC_Ap:
1318: case MDOC_Ns:
1319: case MDOC_Ux:
1.1 kristaps 1320: maxargs = 0;
1321: break;
1.131 schwarze 1322: case MDOC_Bx:
1.132 schwarze 1323: case MDOC_Es:
1.131 schwarze 1324: case MDOC_Xr:
1.42 kristaps 1325: maxargs = 2;
1326: break;
1.1 kristaps 1327: default:
1328: maxargs = 1;
1329: break;
1330: }
1331:
1.152 schwarze 1332: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.1 kristaps 1333:
1.181 schwarze 1334: state = -1;
1.156 schwarze 1335: p = NULL;
1336: for (;;) {
1.32 kristaps 1337: la = *pos;
1.119 schwarze 1338: ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
1.181 schwarze 1339:
1340: if (ac == ARGS_WORD && state == -1 &&
1.225 schwarze 1341: (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
1.181 schwarze 1342: mdoc_isdelim(p) == DELIM_OPEN) {
1343: dword(mdoc, line, la, p, DELIM_OPEN, 0);
1344: continue;
1345: }
1346:
1347: if (state == -1 && tok != MDOC_In &&
1348: tok != MDOC_St && tok != MDOC_Xr) {
1349: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1350: state = 0;
1351: }
1352:
1.156 schwarze 1353: if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
1.181 schwarze 1354: if (abs(state) < 2 && tok == MDOC_Pf)
1.227 ! schwarze 1355: mandoc_msg(MANDOCERR_PF_SKIP,
! 1356: line, ppos, "Pf %s",
1.156 schwarze 1357: p == NULL ? "at eol" : p);
1.1 kristaps 1358: break;
1.156 schwarze 1359: }
1.1 kristaps 1360:
1.181 schwarze 1361: if (state == maxargs) {
1.149 schwarze 1362: rew_elem(mdoc, tok);
1.181 schwarze 1363: state = -2;
1.46 kristaps 1364: }
1365:
1.224 schwarze 1366: ntok = (tok == MDOC_Pf && state == 0) ?
1.191 schwarze 1367: TOKEN_NONE : lookup(mdoc, tok, line, la, p);
1.54 kristaps 1368:
1.191 schwarze 1369: if (ntok != TOKEN_NONE) {
1.181 schwarze 1370: if (state >= 0) {
1.149 schwarze 1371: rew_elem(mdoc, tok);
1.181 schwarze 1372: state = -2;
1373: }
1.225 schwarze 1374: (*mdoc_macro(ntok)->fp)(mdoc, ntok,
1375: line, la, pos, buf);
1.1 kristaps 1376: break;
1377: }
1378:
1.225 schwarze 1379: if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
1.181 schwarze 1380: mdoc_isdelim(p) == DELIM_NONE) {
1381: if (state == -1) {
1382: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1383: state = 1;
1384: } else if (state >= 0)
1385: state++;
1386: } else if (state >= 0) {
1.149 schwarze 1387: rew_elem(mdoc, tok);
1.181 schwarze 1388: state = -2;
1.1 kristaps 1389: }
1.42 kristaps 1390:
1.150 schwarze 1391: dword(mdoc, line, la, p, DELIM_MAX,
1.225 schwarze 1392: mdoc_macro(tok)->flags & MDOC_JOIN);
1.1 kristaps 1393: }
1394:
1.181 schwarze 1395: if (state == -1) {
1.227 ! schwarze 1396: mandoc_msg(MANDOCERR_MACRO_EMPTY,
! 1397: line, ppos, "%s", roff_name[tok]);
1.181 schwarze 1398: return;
1.156 schwarze 1399: }
1.181 schwarze 1400:
1401: if (state == 0 && tok == MDOC_Pf)
1402: append_delims(mdoc, line, pos, buf);
1403: if (state >= 0)
1.149 schwarze 1404: rew_elem(mdoc, tok);
1.150 schwarze 1405: if (nl)
1406: append_delims(mdoc, line, pos, buf);
1.1 kristaps 1407: }
1408:
1.151 schwarze 1409: static void
1.1 kristaps 1410: in_line_eoln(MACRO_PROT_ARGS)
1411: {
1.185 schwarze 1412: struct roff_node *n;
1.170 schwarze 1413: struct mdoc_arg *arg;
1.1 kristaps 1414:
1.170 schwarze 1415: if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
1416: ! (mdoc->flags & MDOC_SYNOPSIS)) {
1417: n = mdoc->last;
1.189 schwarze 1418: if (mdoc->next == ROFF_NEXT_SIBLING)
1.170 schwarze 1419: n = n->parent;
1420: if (n->tok == MDOC_Nm)
1.198 schwarze 1421: rew_last(mdoc, n->parent);
1.178 schwarze 1422: }
1423:
1.179 schwarze 1424: if (buf[*pos] == '\0' &&
1.219 schwarze 1425: (tok == MDOC_Fd || *roff_name[tok] == '%')) {
1.227 ! schwarze 1426: mandoc_msg(MANDOCERR_MACRO_EMPTY,
! 1427: line, ppos, "%s", roff_name[tok]);
1.178 schwarze 1428: return;
1.170 schwarze 1429: }
1.90 schwarze 1430:
1.152 schwarze 1431: mdoc_argv(mdoc, line, tok, &arg, pos, buf);
1.150 schwarze 1432: mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
1.154 schwarze 1433: if (parse_rest(mdoc, tok, line, pos, buf))
1434: return;
1435: rew_elem(mdoc, tok);
1436: }
1437:
1438: /*
1439: * The simplest argument parser available: Parse the remaining
1440: * words until the end of the phrase or line and return 0
1441: * or until the next macro, call that macro, and return 1.
1442: */
1443: static int
1.219 schwarze 1444: parse_rest(struct roff_man *mdoc, enum roff_tok tok,
1445: int line, int *pos, char *buf)
1.154 schwarze 1446: {
1447: int la;
1.1 kristaps 1448:
1449: for (;;) {
1450: la = *pos;
1.153 schwarze 1451: if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
1.202 schwarze 1452: return 0;
1.153 schwarze 1453: if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
1.202 schwarze 1454: return 1;
1.1 kristaps 1455: }
1456: }
1457:
1.151 schwarze 1458: static void
1.41 kristaps 1459: ctx_synopsis(MACRO_PROT_ARGS)
1460: {
1.60 kristaps 1461:
1.151 schwarze 1462: if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
1463: in_line(mdoc, tok, line, ppos, pos, buf);
1464: else if (tok == MDOC_Nm)
1465: blk_full(mdoc, tok, line, ppos, pos, buf);
1466: else {
1467: assert(tok == MDOC_Vt);
1468: blk_part_imp(mdoc, tok, line, ppos, pos, buf);
1469: }
1.1 kristaps 1470: }
1471:
1.24 kristaps 1472: /*
1473: * Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
1474: * They're unusual because they're basically free-form text until a
1475: * macro is encountered.
1476: */
1.151 schwarze 1477: static void
1.75 kristaps 1478: phrase_ta(MACRO_PROT_ARGS)
1479: {
1.185 schwarze 1480: struct roff_node *body, *n;
1.75 kristaps 1481:
1.121 schwarze 1482: /* Make sure we are in a column list or ignore this macro. */
1.151 schwarze 1483:
1.167 schwarze 1484: body = NULL;
1485: for (n = mdoc->last; n != NULL; n = n->parent) {
1.210 schwarze 1486: if (n->flags & NODE_ENDED)
1.167 schwarze 1487: continue;
1.184 schwarze 1488: if (n->tok == MDOC_It && n->type == ROFFT_BODY)
1.167 schwarze 1489: body = n;
1.208 schwarze 1490: if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
1.167 schwarze 1491: break;
1492: }
1493:
1.151 schwarze 1494: if (n == NULL || n->norm->Bl.type != LIST_column) {
1.227 ! schwarze 1495: mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
1.151 schwarze 1496: return;
1.121 schwarze 1497: }
1.75 kristaps 1498:
1.121 schwarze 1499: /* Advance to the next column. */
1.150 schwarze 1500:
1.167 schwarze 1501: rew_last(mdoc, body);
1.190 schwarze 1502: roff_body_alloc(mdoc, line, ppos, MDOC_It);
1.191 schwarze 1503: parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
1.75 kristaps 1504: }
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